REGN
E579608
REGN is the stock ticker symbol for Regeneron Pharmaceuticals, a major U.S.-based biotechnology company known for developing innovative antibody-based therapies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| REGN canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6251167 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: REGN Context triple: [Regeneron Pharmaceuticals, tickerSymbol, REGN]
-
A.
REGN-EB3
REGN-EB3 is a monoclonal antibody cocktail developed by Regeneron to treat Ebola virus disease, shown to significantly reduce mortality in clinical trials.
-
B.
Plegridy
Plegridy is a pegylated interferon beta-1a medication used to treat relapsing forms of multiple sclerosis.
-
C.
RÜG
RÜG is the vehicle registration code used for motor vehicles registered in the district of Vorpommern-Rügen in the German state of Mecklenburg-Vorpommern.
-
D.
Reitia
Reitia is an ancient goddess venerated by the Veneti people of northeastern Italy, often linked to writing, healing, and protection.
-
E.
Eltigen
Eltigen is a coastal village on the Kerch Peninsula in Crimea, historically notable as a key site of Soviet amphibious landings during World War II.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: REGN Target entity description: REGN is the stock ticker symbol for Regeneron Pharmaceuticals, a major U.S.-based biotechnology company known for developing innovative antibody-based therapies.
-
A.
REGN-EB3
REGN-EB3 is a monoclonal antibody cocktail developed by Regeneron to treat Ebola virus disease, shown to significantly reduce mortality in clinical trials.
-
B.
Plegridy
Plegridy is a pegylated interferon beta-1a medication used to treat relapsing forms of multiple sclerosis.
-
C.
RÜG
RÜG is the vehicle registration code used for motor vehicles registered in the district of Vorpommern-Rügen in the German state of Mecklenburg-Vorpommern.
-
D.
Reitia
Reitia is an ancient goddess venerated by the Veneti people of northeastern Italy, often linked to writing, healing, and protection.
-
E.
Eltigen
Eltigen is a coastal village on the Kerch Peninsula in Crimea, historically notable as a key site of Soviet amphibious landings during World War II.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | stock ticker symbol ⓘ |
| associatedWithIndustry | biotechnology ⓘ |
| associatedWithSector | healthcare ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currency | USD NERFINISHED ⓘ |
| exchangeMarket | NASDAQ Global Select Market NERFINISHED ⓘ |
| hasCUSIP | 75886F107 ⓘ |
| hasISIN | US75886F1075 ⓘ |
| hasUnderlyingCompanyBusinessModel | research, development, manufacturing, and commercialization of biologic medicines ⓘ |
| hasUnderlyingCompanyCEO | Leonard S. Schleifer NERFINISHED ⓘ |
| hasUnderlyingCompanyCoFounder |
George D. Yancopoulos
NERFINISHED
ⓘ
Leonard S. Schleifer NERFINISHED ⓘ |
| hasUnderlyingCompanyCollaboration | Sanofi NERFINISHED ⓘ |
| hasUnderlyingCompanyCOVID19Involvement | developed REGEN-COV for COVID-19 treatment ⓘ |
| hasUnderlyingCompanyEmployeeType | research-intensive workforce ⓘ |
| hasUnderlyingCompanyExchangeListing | NASDAQ:REGN NERFINISHED ⓘ |
| hasUnderlyingCompanyFocus | biopharmaceutical research and development ⓘ |
| hasUnderlyingCompanyFoundedYear | 1988 ⓘ |
| hasUnderlyingCompanyHeadquarters | Tarrytown, New York, United States NERFINISHED ⓘ |
| hasUnderlyingCompanyIncorporationCountry | United States NERFINISHED ⓘ |
| hasUnderlyingCompanyLegalName | Regeneron Pharmaceuticals, Inc. NERFINISHED ⓘ |
| hasUnderlyingCompanyNotableProduct |
Dupixent (dupilumab)
NERFINISHED
ⓘ
Eylea (aflibercept) NERFINISHED ⓘ REGEN-COV (casirivimab and imdevimab) NERFINISHED ⓘ |
| hasUnderlyingCompanyPrimaryBusiness | development of antibody-based therapies ⓘ |
| hasUnderlyingCompanyRAndDFocus |
genetics-based drug discovery
ⓘ
monoclonal antibodies ⓘ |
| hasUnderlyingCompanyResearchCollaboration | Regeneron Genetics Center NERFINISHED ⓘ |
| hasUnderlyingCompanyStateOfIncorporation | New York NERFINISHED ⓘ |
| hasUnderlyingCompanyStockCategory | large-cap biotechnology stock ⓘ |
| hasUnderlyingCompanyTechnologyPlatform | VelocImmune antibody technology NERFINISHED ⓘ |
| hasUnderlyingCompanyTherapeuticArea |
cardiovascular diseases
ⓘ
immunology ⓘ oncology ⓘ ophthalmology ⓘ |
| hasUnderlyingCompanyTicker | REGN NERFINISHED ⓘ |
| hasUnderlyingCompanyType | public company ⓘ |
| hasUnderlyingCompanyWebsite | https://www.regeneron.com ⓘ |
| isComponentOfIndex |
NASDAQ Biotechnology Index (NBI)
NERFINISHED
ⓘ
S&P 500 Index NERFINISHED ⓘ |
| listedOn | NASDAQ ⓘ |
| regulatoryJurisdiction | U.S. Securities and Exchange Commission NERFINISHED ⓘ |
| represents | Regeneron Pharmaceuticals, Inc. NERFINISHED ⓘ |
| securityType | common stock ⓘ |
| tradedAs | REGN NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: REGN Description of subject: REGN is the stock ticker symbol for Regeneron Pharmaceuticals, a major U.S.-based biotechnology company known for developing innovative antibody-based therapies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.